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Problem
The motor runs and the blade
rotates, but it does not cut.
The machine does not start.
Warning light flashes one time.
Warning light flashes two times. Self-test failure of controller
Warning light flashes three
times.
Warning light flashes four times. Overcurrent protection
Warning light flashes five times. Low-voltage protection
Warning light flashes six times.
Warning light flashes seven
times.
Warning light flashes eight
times.
Warning light flashes nine times. Software authentication error
Warning light flashes ten times.
Warning light flashes eleven
times.
15
TECHNICAL DATA
Voltage
No load speed
Wheel type
Wheel thickness
Wheel outside diameter
Wheel bore diameter
Wheel tightening torque
Max. peripheral gap be-
tween segments
English
Possible cause
The wheel is dull.
The wheel is in the incorrect direction.
The wheel is tight or loose.
The machine and battery are not connec-
ted correctly.
The battery level is low.
The battery is too hot or too cold.
Motor low speed protection
Battery pack communication failure
Controller over-temperature protection
Blocking protection or communication
failure of hall
Switch logic error
Motor over-temperature protection
Battery temperature is too high.
82 V DC
269 ft/s (82 m/s)
Diamond cut-off wheel
3 mm
12'' (300 mm)
0.8''(20 mm)/1''(25.4 mm)
18.5 ft-lbs
3 mm
Solution
Replace the cutting wheel.
Follow the instructions of the cutting wheel of
how to mount it on machine.
Make sure the screw is tightened with 18.5 ft-lbs
in torque.
Make sure that the battery release button clicks
when you install the battery pack.
Charge the battery pack.
Refer to battery and charger manual.
Release the trigger and start the machine again.
1. Install the battery pack again.
2. Replace the controller if the fault appears
again.
1. Install the battery pack again.
2. Replace the controller if the fault appears
again.
Release the trigger and start the machine again.
Charge the battery pack.
Cool the controller to ambient temperature.
1. Release the trigger and start the machine
again.
2. Replace the controller if the fault appears
again.
1. Release the trigger and start the machine
again.
2. Replace the controller if the fault appears
again.
1. Install the battery pack again.
2. Replace the controller if the fault appears
again.
Cool the controller to ambient temperature.
Cool the battery pack to ambient temperature.
Max. depth of cut
Max. pressure of water sup-
ply
Weight (without battery
pack)
Battery model
Charger model
13
4.33'' (110 mm)
6 bar
12.6 lbs (5.7 kg)
GL400BT, 82BD250,
82BD400, 82BD500,
82BD800
GC 400, 82DPC8A,
82CH62K and other Green-
works Commercial 82V
Chargers
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